Online Thévenin Equivalent Determination Using Graphical Phasor Manipulation

Sobhy M. Abdelkader, Abdelfattah A. Eladi, Mohammed A. Saeed, D. John Morrow

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)
230 Downloads (Pure)

Abstract

This paper presents a new method for determining the Thévenin equivalent parameters of a power system at a node. A graphical method for deriving Thévenin equivalent parameters using online PMU measurements is developed based on representing and manipulating the measured voltage phasors in the complex voltage plane. The proposed method has the ability to use a large numbers of measurements for individual calculation thus providing greater tolerance of bad and erroneous measurements. The method is both computationally efficient and displays improved performance over similar methods when implemented using actual PMU data.
Original languageEnglish
Pages (from-to)233-239
JournalInternational Journal of Electrical Power and Energy Systems
Volume97
Early online date16 Nov 2017
DOIs
Publication statusPublished - Apr 2018

Keywords

  • Phasor measurement
  • Power system
  • Thévenin equivalent

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